silverstripe-framework/tests/control/DirectorTest.php

<?php
/**
 * @package sapphire
 * @subpackage tests
 */
class DirectorTest extends SapphireTest {
	
	public function testFileExists() {
		$tempFileName = 'DirectorTest_testFileExists.tmp';
		$tempFilePath = TEMP_FOLDER . '/' . $tempFileName;
		
		// create temp file
		file_put_contents($tempFilePath, '');
		
		$this->assertTrue(
			Director::fileExists($tempFilePath), 
			'File exist check with absolute path'
		);
		
		$this->assertTrue(
			Director::fileExists($tempFilePath . '?queryparams=1&foo[bar]=bar'), 
			'File exist check with query params ignored'
		);
		
		unlink($tempFilePath);
	}
	
}
?>